两家公司的合作产生了强大的协同效应，使收入翻了一番。

The collaboration between the two companies created powerful ___synergies, doubling their revenue.

两家公司的合并预计将产生显著的协同效应，提高整体盈利能力。

The merger of the two companies is expected to create significant ___synergies, boosting overall profitability.

医生发现这两种药物联合使用时产生了显著的协同效应。

Doctors observed significant ___synergies when these two medications were used together.